bitrat | ec984635e9acb3dc536a25451206d01f9f2bae6835900aad789c984fe563a04b

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe

Drops startup file 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Edge.exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Process.exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Bypass.exe	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
3016	Bypass.exe
3220	Defender.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4432	RegSvcs.exe
4432	RegSvcs.exe
4432	RegSvcs.exe
4432	RegSvcs.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 4712	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	103
PID 4712 set thread context of 3556	4712	RegSvcs.exe	107
PID 4712 set thread context of 4432	4712	RegSvcs.exe	110

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bypass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Defender.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
4336	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe
2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe
2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe
2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe
2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe
Token: SeShutdownPrivilege	4432	RegSvcs.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4432	RegSvcs.exe
4432	RegSvcs.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 4336	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	99
PID 2252 wrote to memory of 4336	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	99
PID 2252 wrote to memory of 4336	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	99
PID 2252 wrote to memory of 3612	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	101
PID 2252 wrote to memory of 3612	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	101
PID 2252 wrote to memory of 3612	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	101
PID 2252 wrote to memory of 4824	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	102
PID 2252 wrote to memory of 4824	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	102
PID 2252 wrote to memory of 4824	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	102
PID 2252 wrote to memory of 4712	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	103
PID 2252 wrote to memory of 4712	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	103
PID 2252 wrote to memory of 4712	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	103
PID 2252 wrote to memory of 4712	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	103
PID 2252 wrote to memory of 4712	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	103
PID 2252 wrote to memory of 4712	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	103
PID 2252 wrote to memory of 4712	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	103
PID 2252 wrote to memory of 4712	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	103
PID 2252 wrote to memory of 4712	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	103
PID 2252 wrote to memory of 4712	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	103
PID 2252 wrote to memory of 4712	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	103
PID 2252 wrote to memory of 4712	2252	c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe	103
PID 4712 wrote to memory of 3124	4712	RegSvcs.exe	104
PID 4712 wrote to memory of 3124	4712	RegSvcs.exe	104
PID 4712 wrote to memory of 3124	4712	RegSvcs.exe	104
PID 4712 wrote to memory of 656	4712	RegSvcs.exe	105
PID 4712 wrote to memory of 656	4712	RegSvcs.exe	105
PID 4712 wrote to memory of 656	4712	RegSvcs.exe	105
PID 4712 wrote to memory of 2016	4712	RegSvcs.exe	106
PID 4712 wrote to memory of 2016	4712	RegSvcs.exe	106
PID 4712 wrote to memory of 2016	4712	RegSvcs.exe	106
PID 4712 wrote to memory of 3556	4712	RegSvcs.exe	107
PID 4712 wrote to memory of 3556	4712	RegSvcs.exe	107
PID 4712 wrote to memory of 3556	4712	RegSvcs.exe	107
PID 4712 wrote to memory of 3556	4712	RegSvcs.exe	107
PID 4712 wrote to memory of 3556	4712	RegSvcs.exe	107
PID 4712 wrote to memory of 3556	4712	RegSvcs.exe	107
PID 4712 wrote to memory of 3556	4712	RegSvcs.exe	107
PID 4712 wrote to memory of 3556	4712	RegSvcs.exe	107
PID 4712 wrote to memory of 3556	4712	RegSvcs.exe	107
PID 4712 wrote to memory of 3556	4712	RegSvcs.exe	107
PID 4712 wrote to memory of 3000	4712	RegSvcs.exe	108
PID 4712 wrote to memory of 3000	4712	RegSvcs.exe	108
PID 4712 wrote to memory of 3000	4712	RegSvcs.exe	108
PID 4712 wrote to memory of 2132	4712	RegSvcs.exe	109
PID 4712 wrote to memory of 2132	4712	RegSvcs.exe	109
PID 4712 wrote to memory of 2132	4712	RegSvcs.exe	109
PID 4712 wrote to memory of 4432	4712	RegSvcs.exe	110
PID 4712 wrote to memory of 4432	4712	RegSvcs.exe	110
PID 4712 wrote to memory of 4432	4712	RegSvcs.exe	110
PID 4712 wrote to memory of 4432	4712	RegSvcs.exe	110
PID 4712 wrote to memory of 4432	4712	RegSvcs.exe	110
PID 4712 wrote to memory of 4432	4712	RegSvcs.exe	110
PID 4712 wrote to memory of 4432	4712	RegSvcs.exe	110
PID 4712 wrote to memory of 4432	4712	RegSvcs.exe	110
PID 4712 wrote to memory of 4432	4712	RegSvcs.exe	110
PID 4712 wrote to memory of 4432	4712	RegSvcs.exe	110
PID 4712 wrote to memory of 4432	4712	RegSvcs.exe	110
PID 3556 wrote to memory of 4816	3556	RegSvcs.exe	111
PID 3556 wrote to memory of 4816	3556	RegSvcs.exe	111
PID 4816 wrote to memory of 3016	4816	cmd.exe	114
PID 4816 wrote to memory of 3016	4816	cmd.exe	114
PID 4816 wrote to memory of 3016	4816	cmd.exe	114
PID 3016 wrote to memory of 3220	3016	Bypass.exe	115
PID 3016 wrote to memory of 3220	3016	Bypass.exe	115

C:\Users\Admin\AppData\Local\Temp\c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c3e3a1ada1e43d1c3b4b949fbd1a8a9f_JaffaCakes118.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TlSVyWNeR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA93B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4336
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:3612
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:4824
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:3124
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:656
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2016
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3556
  - - C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\AC58.tmp\AC59.tmp\AC5A.bat C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      4⤵
      Drops startup file
      Suspicious use of WriteProcessMemory
      PID:4816
    - - C:\Users\Admin\AppData\Local\Temp\AC58.tmp\Bypass.exe
        
        Bypass.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3016
      - C:\Users\Admin\AppData\Local\Temp\Defender.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Defender.exe" /D
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:3220
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:3000
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2132
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion